<template>
	<div class="goodsinfo-container">
		<transition
	      @before-enter="beforeEnter"
	      @enter="enter"
	      @after-enter="afterEnter">
	      <div class="ball" v-show="ballFlag" ref="ball"></div>
	    </transition>
	
		 <!-- 商品轮播图区域 -->
		<div class="mui-card">
			<div class="mui-card-content">
				<div class="mui-card-content-inner">
					<swiper :lunbotuList="lunbotu" :isfull="false"></swiper>
				</div>
			</div>
		</div>
		<!-- 商品购买区域 -->
		 <div class="mui-card">
	      <div class="mui-card-header">{{ goodsinfo.title }}</div>
	      <div class="mui-card-content">
	        <div class="mui-card-content-inner">
	          <p class="price">
	            市场价：<del>￥{{ goodsinfo.market_price }}</del>&nbsp;&nbsp;销售价：<span class="now_price">￥{{ goodsinfo.sell_price }}</span>
	          </p>
	          <p>购买数量：<numbox @getcount="getSelectedCount" :max="6"></numbox></p>
	          <p>
	            <mt-button type="primary" size="small">立即购买</mt-button>
	            <mt-button type="danger" size="small" @click="addToShopCar">加入购物车</mt-button>
	          </p>
	        </div>
	      </div>
	    </div>
		<!-- 商品参数区域 -->
		 <div class="mui-card">
	      <div class="mui-card-header">商品参数</div>
	      <div class="mui-card-content">
	        <div class="mui-card-content-inner">
	          <p>商品货号：{{ goodsinfo.goods_no }}</p>
	          <p>库存情况：{{ goodsinfo.stock_quantity }}件</p>
	          <p>上架时间：{{ goodsinfo.add_time }}</p>
	        </div>
	      </div>
	      <div class="mui-card-footer">
	        <mt-button type="primary" size="large" plain @click="goDesc(id)">图文介绍</mt-button>
	        <mt-button type="danger" size="large" plain @click="goComment(id)">商品评论</mt-button>
	      </div>
	    </div>
	</div>
</template>

<script>
	// 导入轮播图组件
import swiper from "../subcomponents/swiper.vue";
import numbox from "../subcomponents/goodsinfo_numbox.vue";
export default {
	data(){
		return{
			id: this.$route.params.id, // 将路由参数对象中的 id 挂载到 data , 方便后期调用
			lunbotu: [], // 轮播图的数据
			goodsinfo: {}, // 获取到的商品的信息
			ballFlag:false, // 控制小球的隐藏和显示的标识符
			selectedCount: 1 // 保存用户选中的商品数量， 默认，认为用户买1个
		}
	},
	created(){
		this.getLunbotu();
		this.getGoodsInfo();
		console.log(this.max)
	},
	methods:{
		getLunbotu(){
//			this.$http.get('api/getthumimages').then(result=>{
//				if (result.body.status === 0) {
//		          // 先循环轮播图数组的每一项，为 item 添加 img 属性，因为 轮播图 组件中，只认识 item.img， 不认识 item.src
//		          result.body.message.forEach(item => {
//		            item.img = item.src;
//		          });
//		          this.lunbotu = result.body.message;
//		        }
//			})
		},
		getGoodsInfo() {
	      // 获取商品的信息
//	      this.$http.get("api/goods/getinfo").then(result => {
//	        if (result.body.status === 0) {
//	          this.goodsinfo = result.body.message[0];
//	        }
//	      });
        },
        goDesc(id) {
	      // 点击使用编程式导航跳转到 图文介绍页面
//	      this.$router.push({ name: "goodsdesc", params: { id } });
	      this.$router.push({ name: "goodsdesc" });
	      
	    },
	    goComment(id) {
	      // 点击跳转到 评论页面
//	      this.$router.push({ name: "goodscomment", params: { id } });
	      this.$router.push({ name: "goodscomment"});
	    },
         addToShopCar() {
	      // 添加到购物车
	      this.ballFlag = !this.ballFlag;
	    },
	    beforeEnter(el){
          el.style.transform = "translate(0, 0)"
        },
        enter(el, done){
          el.offsetWidth
//        el.style.transform = "translate(93px, 230px)"
          // 获取小球的 在页面中的位置
          const ballPosition = this.$ref.ball.getBoundingClientRect();
          // 获取 徽标 在页面中的位置
          const badgePosition =getElementById('bandge').getBoundingClientRect();
          const xDist = badgePosition.left - ballPosition.left;
          const yDist = badgePosition.top - ballPosition.top;
          el.style.transform = `translate($(xDist)px , $(yDist)px )`;
          el.style.transition = 'all 1s ease'
          done()
        },
        afterEnter(el){
          this.ballFlag = !this.ballFlag;
        },
        getSelectedCount(count){
        	this.selectedCount = count;
        	 console.log("父组件拿到的数量值为： " + this.selectedCount);
        }
	},
	components:{
		swiper,
		numbox
	}
}
</script>

<style lang="scss" scoped>
.goodsinfo-container {
  background-color: #eee;
  overflow: hidden;

  .now_price {
    color: red;
    font-size: 16px;
    font-weight: bold;
  }

  .mui-card-footer {
    display: block;
    button {
      margin: 15px 0;
    }
  }

  .ball {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: red;
    position: absolute;
    z-index: 99;
    top: 390px;
    left: 146px;
    transform: translate(93px, 230px);
  }
}
</style>